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Finding the Fourth Proportional to 6,322.61, 8,725.16 and 3,489.99

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Solution

The fourth proportional to 6,322.61, 8,725.16 and 3,489.99 is: 4,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.61 : 8,725.16 = 3,489.99 : x
  2. Step 2: Convert to fraction form
    6,322.61/8,725.16 = 3,489.99/x
  3. Step 3: Cross multiply
    6,322.61x = 8,725.16 × 3,489.99
  4. Step 4: Simplify right side
    6,322.61x = 30,450,691.94
  5. Step 5: Solve for x
    x = 30,450,691.94/6,322.61
  6. Step 6: Final answer
    x = 4,816.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.